You can google for either DELItainer, Fabri-Kal or Procal I
believe is another. Anyway, I got 250 with lids for about .19
.ea. Sold a few FF cultures and easily broke even, or a bit
above.

Unless your planning on selling cultures, you can easily
reuse them, then your probably better off splitting an order.
I got mine from a restaurant wholesaler, again googling will
give you a bunch. You can also go to Fabri-Kal's site, and
they have resellers by state.

All you have to do is a little work, or wait and someone
may have a link for you.